Has anyone ever gotten them to run smooth at idle? Even if I had to bump the idle up to ~1200 or so, I'd just like it to be a bit sneaky



Paying someone to install parts and bragging about it being fast, is like watching someone bang your wife and being proud to raise their kids.

I'm sure you could do it. Getting your idle advance to stay at one number would be a big factor, I've made a couple cars sound like they had massive cams by messing up the spark table for idle. And made one car that did have a massive cam (it better have been a massive cam its power peak was a 7400 and stock redline was 12000, sound like it didnt have one by getting the idle just right.


1994 Saturn SL2 Home Coming Edition: backup car
2002 Chevy Cavalier LS Sport Coupe: In a Junk Yard
1995 Mazda Miata R-package Class=STR
Sponsored by: Kronos Performance

WPI Class of '12 Mechanical Engineering
WPI SAE Risk and Sustainability Management Officer

I have heard it is doable...just not sure how to do it

Basically what you need to do is, log idle, be looking at the spark advance for idle histogram you should see if switching back and forth from 2 or 3 different cells, make all those cells the same value. That will at least make an improvement.


1994 Saturn SL2 Home Coming Edition: backup car
2002 Chevy Cavalier LS Sport Coupe: In a Junk Yard
1995 Mazda Miata R-package Class=STR
Sponsored by: Kronos Performance

WPI Class of '12 Mechanical Engineering
WPI SAE Risk and Sustainability Management Officer

Thanks Leafy



Paying someone to install parts and bragging about it being fast, is like watching someone bang your wife and being proud to raise their kids.

my car seems to be fine @ 1000rpm idle with them installed

Are they really that lumpy?

1000+ rpm you should be fine from personal experience. only when my motor is at full temp and finally idles 900rpm then does it get the lopey sound.